improve jobshop_sat: fix bug in transitions; remove search heuristics as default is better
improve jobshop_sat: fix bug in transitions; remove search heuristics as default is better

google/or-tools,google/or-tools,google/or-tools,or-tools/or-tools,google/or-tools,or-tools/or-tools,google/or-tools,or-tools/or-tools,google/or-tools,or-tools/or-tools,or-tools/or-tools,or-tools/or-tools